This demonstration/activity introduces students to the concept of limiting reagent in a chemical reaction. Too often, students think that one can produce more product by using larger quantities of reactants. This demonstration/activity is specifically designed to surprise students and to make them appreciate the concept of stoichiometric quantities.
In this activity, students learn about engineering design by constructing elastic powered cars from everyday materials that can travel in a straight line for a distance of at least 3 meters within a... read more
Categories: Lab/Student Activity
This demonstration (adapted from http://www.indiana.edu/~ensiweb/lessons/origami.html where there is additional information) models the process of evolution by introducing random mutations into... read more